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1000BASE-EX SFP 1550nm 40km DOM Transceiver
• Gigabit Ethernet Switches and Routers
• Fiber Channel Switch Infrastructure
• Other Optical Links
1www.fs.com
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
Application
• Operating Data Rate up to 1.25Gbps
• 1550nm DFB Laser Transmitter
• 40km with 9/125 µm SMF
• Single 3.3V Power Supply and TTL Logic
Interface
Features
SFP1G-EX-55
• Commercial Temperature Range:
0~+70
• Compliant with MSA SFP Specification
• Compliant with SFF-8472
• Hot-Pluggable SFP Footprint Duplex LC
Connector Interface
• Class 1 FDA and IEC60825-1 Laser Safety
Compliant
• Built-in digital diagnostic functions, including
optical power monitoring
Description
Product Specifications
2www.fs.com
The SFP1G-EX-55 series single-mode transceiver is small form factor pluggable module for serial optical data communications such as
Gigabit Ethernet 1000BASE-ZX and Fiber Channel 1x SM-LC-L FC-PI. It is with the SFP 20-pin connector to allow hot plug capability. This
module is designed for single mode fiber and operates at a nominal wavelength of 1550nm.
The transmitter section uses a multiple quantum well 1550nm DFB laser and is a class 1 laser compliant according to International Safety
Standard IEC-60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a
limiting post-amplifier IC. The SFP1G-EX-55 series are designed to be compliant with SFF-8472 SFP Multi-Source Agreement (MSA).
I. General Specifications
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
Parameter Symbol Min Typ. Max Units
Bit Rate per Lane BR 1.25 Gb/s
Bit Rate LMAX 40 km
II. Absolute Maximum Ratings
*Exceeding any one of these values may destroy the device immediately
Parameter Symbol Min Max Units
Storage Temperature Ts -40 +85
Supply Voltage Vcc -0.5 3.6 V
Operating Relative Humidity - 95 %
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1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
III. Optical and Electrical Characteristics
Parameter Symbol Min Typ. Max Unit
9µm Diameter SMF L 40 km
Power Supply Voltage Vcc 3.15 3.3 3.45 V
Power Supply Current Icc 300 Ma
Date Rate
GBE
Top 15
1.25
60 Gbps
FC 1.063
Relative Humidity RH 0 85 %
Damage Threshold, per Lane DT 3.4 dBm
Transmitter
Center Wavelength λC 1500 1550 1580 nm
Spectral Width (RMS) Δλ 1 nm
Side Mode Suppression Ratio SMSR 30 dB
Average Output Power*(note1) Pout -5 0 dBm
Extinction Ratio*(note2) ER 9 Db
Rise/Fall Time(20%~80%) tr/tf 0.26 ps
Total Jitter*(note2) TJ 0.43 UI
Output Optical Eye*(note2) Compliant with IEEE 802.3ah-2004*(note5)
TX_Disable Assert Time t_off 10 Us
Pout@TX Disable Asserted Pout -45 dBm
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1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
Receiver
Center Wavelength λς 1260 1600 nm
Receiver Sensitivity*(note3) Pmin -24 dBm
Receiver Overload Pmax -3 dBm
Return Loss 12 Db
Optical PathPenalty*(note4) 1 dB
LOS De-Assert LOSD -25 dB
LOS Assert LOSA -35 dBm
LOS Hysteresis*(note6) 0.5 dB
Notes:
1.Output is coupled into a 9/125µm single mode fiber.
2.Filtered, measured with a PRBS 27-1 test pattern @1.25Gbps.
3.Minimum average optical power measured at BER less than 1E-12, with a 27-1 PRBS and ER=9 Db.
4.Measured with a PRBS 27-1 test pattern @1.25Gbps, G.652 SMF, BER≤1×10-10.
5.Eye Pattern Mask.
0 X1 X2 X3 1-X3 1-X2 1-X1 1
Nor
mal
ized
am
plit
ude
1+Y4
1 1-Y1 1-Y2 0.5 Y2 Y1 0
-Y3Normalized time(until interval)
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1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
6. LOS Hysteresis
IV. Pin Description
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Pin Num. Name Function Plug Seq. Notes
1 VeeT Transmitter Ground 1 Note5
2 TX Fault Transmitter Fault
Indication3 Note 1
3 TX Disable Transmitter Disable 3Note 2
Module disables on highor open
4 MOD-DEF2 SDA 3Note 3
2 wire serial ID interface.
5 MOD-DEF1 SCL 3Note 3
2 wire serial ID interface.
6 MOD-DEF0 MOD_ABS 3Note 3
Grounded within the module.
7 Rate Select Not Connect 3 Function not available
8 LOS Loss of Signal 3 Note 4
9 VeeR Receiver Ground 1 Note 5
10 VeeR Receiver Ground 1 Note 5
11 VeeR Receiver Ground 1 Note 5
12 RD- Inv. Received Data Out 3 Note 6
13 RD+ Received Data Out 3 Note 7
14 VeeR Receiver Ground 1 Note 5
15 VccR Receiver Power 2Note 7
3.3V ± 5%
16 VccT Transmitter Power 2Note 7
3.3V ± 5%
17 VeeT Transmitter Ground 1 Note 5
18 TD+ Transmit Data In 3 Note 8
19 TD- Inv. Transmit Data In 3 Note 8
20 VeeT Transmitter Ground 1 Note 5
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
7www.fs.com
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
Notes:
1.TX Fault is an open collector/drain output, which should be pulled up with a 4.7K - 10KΩ resistor on the host board. Pull up voltage
between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kinds. Low indicates normal operation. In low state, the
output will be pulled to < 0.8V.
2.TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10 KΩ resistor.
Its states are: Low (0 – 0.8V): Transmitter on (>0.8, < 2.0V): Undefined High (2.0 – 3.465V): Transmitter Disabled Open: Transmitter
Disabled
3.Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7 – 10 KΩ resistor on the host board. The pull-up
voltage shall be VccT or VccR . Mod-Def 0 is grounded by the module to indicate that the module is present Mod-Def 1 is the clock line of
two wire serial interface for serial ID Mod-Def 2 is the data line of two wire serial interface for serial ID
4.LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor. Pull up voltage between
2.0V and VccT/R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined
by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.
5.VeeR and VeeT may be internally connected within the SFP module.
6.RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be terminated with 100Ω
(differential) at the user SERDES. The AC coupling is done inside the module and is thus not required the host board. The voltage swing
on these lines will be between 400 and 2000 mV differential (200 –1000 mV single ended) when properly terminated.
7. VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP connector pin. Maximum
supply current is 300mA. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1
ohm should be used in order to maintain the required voltage at the SFP input pin with 3.3V supply voltage.When the recommended
supply-filtering network is used, hot plugging of the SFP transceiver module will result in an inrush current of no more than 30mA
greater than the steady state value. VccR and VccT may be internally connected within the SFP transceiver module.
8.TD-/+: TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ωdifferential termination inside
the module.The AC coupling is done inside the module and is thus not required on the host board. The inputs will accept differential
swings of 400–2000mV (200–1000mV single- ended).
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1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
V. Mechanical Specifications
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Test Center
FS.COM transceivers are tested to ensure connectivity and compatibility in our test center before shipped out. FS.COM test center is
supported by a variety of mainstream original brand switches and groups of professional staff, helping our customers make the most
efficient use of our products in their systems, network designs and deployments.
The original switches could be found nowhere but at FS.COM test center, eg: Juniper MX960 & EX 4300 series, Cisco Nexus 9396PX &
Cisco ASR 9000 Series, HP 5900 Series & HP 5406R ZL2 V3(J9996A), Arista 7050S-64, Brocade ICX7750-26Q & ICX6610-48, Avaya VSP 7000
MDA 2, etc.
Cisco ASR 9000 Series(A9K-MPA-1X40GE) ARISTA 7050S-64(DCS-7050S-64) Juniper MX960
Brocade ICX 7750-26Q Extreme Networks X670V VIM-40G4X Mellanox M3601Q
Dell N4032F HP 5406R ZL2 V3(J9996A) AVAYA 7024XLS(7002QQ-MDA)
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
10www.fs.com
Test Assured Program
FS.COM truly understands the value of compatibility and interoperability to each optics. Every module FS.COM provides must run
through programming and an extensive series of platform diagnostic tests to prove its performance and compatibility. In our test center,
we care of every detail from staff to facilities—professionally trained staff, advanced test facilities and comprehensive original-brand
switches, to ensure our customers to receive the optics with superior quality.
Our smart data system allows effective product management
and quality control according to the unique serial number,
properly tracking the order, shipment and every part.
Our in-house coding facility programs all of our parts to
standard OEM specs for compatibility on all major vendors and
systems such as Cisco, Juniper, Brocade, HP, Dell, Arista and so
on.
With a comprehensive line of original-brand switches, we can
recreate an environment and test each optics in practical
application to ensure quality and distance.
The last test assured step to ensure our products to be shipped
with perfect package.
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
11www.fs.com
Order Information
1000BASE-EX SFP 1550NM 40KM DOM TRANSCEIVER
Part Number Description
SFP1G-SX- 85 SFP, 1000BASE-SX, 850nm, MMF, 550m, LC, DOM
SFP1G-SX-31 SFP, 1000BASE-SX,1310nm, SMF, 2km, LC, DOM
SFP1G-LX-31 SFP, 1000BASE-LX,1310nm, SMF, 10km, LC, DOM
SFP1G-LX-31 SFP, 1000BASE-LX/LH,1310nm, SMF, 15km, LC, DOM
SFP1G-LX-31 SFP, 1000BASE-LX/LH,1310nm, SMF, 20km, LC, DOM
SFP1G-LH-31 SFP, 1000BASE-EX, 1310nm, SMF, 40km, LC, DOM
SFP1G-EX-55 SFP, 1000BASE-EX, 1550nm, SMF, 40km, LC, DOM
SFP1G-ZX-55 SFP, 1000BASE-EX, 1550nm, SMF, 60km, LC, DOM
SFP1G-ZX-55 SFP, 1000BASE-ZX, 1550nm, SMF, 80km, LC, DOM
SFP1G-EZX-55 SFP, 1000BASE-EZX, 1550nm, SMF, 100km, LC, DOM
SFP1G-EZX-55 SFP, 1000BASE-EZX, 1550nm, SMF, 120km, LC, DOM
SFP-GB-T SFP, 10/100/1000Base-T, SERDES/SGMII Interface
SFP-GB-T SFP, 10/100/1000Base-T, SERDES Interface
Note:
1G SFP transceiver module is individually tested on corresponding equipment such as Cisco, Arista, Juniper, Dell, Brocade and other
brands, and passes the monitoring of FS.COM intelligent quality control system.
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